Molybdenum Hafnium Carbon Alloy Description
Molybdenum hafnium carbide (MHC) alloy is a particle-reinforced molybdenum alloy that contains hafnium and carbon. Molybdenum has excellent creep resistance, low resistivity, high corrosion resistance, high thermal conductivity, and low thermal expansion. Comparing to pure molybdenum, Molybdenum Hafnium Carbon Alloy has higher heat resistance, better creep resistance, and higher recrystallization temperature.
Molybdenum Hafnium Carbon Alloy Specification
* Chemical Composition
The chemical composition of MHC alloy is given in the following table.
|
Element
|
Content (%)
|
|
Molybdenum, Mo
|
≥98.43
|
|
Hafnium, Hf
|
0.80-1.4
|
|
Carbon, C
|
0.050-0.15
|
|
Iron, Fe
|
≤0.010
|
|
Nickel, Ni
|
≤0.0050
|
|
Silicon, Si
|
≤0.0050
|
* Mechanical Properties
The mechanical properties of MHC alloy are tabulated below.
|
Properties
|
Metric
|
Imperial
|
|
Tensile strength(mid-radius)
|
≥689 MPa
|
≥100 ksi
|
|
Yield strength(mid-radius)
|
≥586 MPa
|
≥85 ksi
|
|
Elongation at Break (mid-radius)
|
≥3%
|
≥3%
|
|
Hardness, Vickers
|
≤34
|
≤34
|
Molybdenum Hafnium Carbon Alloy Application
• High-temperature forging die
• Rocket booster
• Vacuum furnace
• X-ray rotating anode target
Molybdenum Hafnium Carbon Alloy Packaging
Our MHC alloys are wrapped in foam and packaged in plywood cases to ensure safe storage and transportation.
FAQs
Q1: What is Molybdenum Hafnium Carbon Alloy?
Molybdenum Hafnium Carbon Alloy is a composite material made from the combination of molybdenum (Mo), hafnium (Hf), and carbon (C). This alloy is designed to improve the performance characteristics of pure molybdenum, particularly in high-temperature and high-stress applications.
Q2: How is Molybdenum Hafnium Carbon Alloy made?
Molybdenum Hafnium Carbon Alloy is produced by alloying molybdenum with hafnium and introducing carbon through powder metallurgy or high-temperature melting techniques. The alloying process ensures that the combination of elements provides enhanced properties, such as high-temperature strength and resistance to corrosion.
Q3: Is Molybdenum Hafnium Carbon Alloy difficult to machine?
Yes, Molybdenum Hafnium Carbon Alloy can be challenging to machine due to its high hardness and high melting point. Specialized equipment and techniques, such as spark erosion or precision grinding, are often used to machine the alloy effectively.
